公开(公告)号：US20170052410A1

公开(公告)日：2017-02-23

申请号：US15345202

申请日：2016-11-07

Applicant: LG ELECTRONICS INC.

Inventor： Sewon OH ,  Eunseok KIM

IPC: G02F1/1335

CPC classification number: G02F1/133605 ,  G02F1/133603 ,  G02F1/133606 ,  G02F1/133608 ,  G02F1/133611

Abstract: A backlight unit including a frame including a bottom and a sidewall extending from the bottom; at least one substrate located on the frame, and a plurality of light sources mounted on the at least one substrate; and a reflecting sheet located on the at least one substrate. The reflecting sheet comprises a first sheet part located on the bottom, the first sheet part including a plurality of holes corresponding to the plurality of the light sources; and a second sheet part extended from the first sheet part, the second sheet part including a horizontal dot area located along a long side of the reflecting sheet and a vertical dot area located along a short side of the reflecting sheet, and at least one of the horizontal dot area and the vertical dot area comprising first areas and second areas. In addition, the first areas correspond to outermost holes among the plurality of holes, and the second areas are located between the first areas, the first areas and the second areas include a plurality of dot areas, each of the dot areas includes a plurality of dots, a density of dots included in one of the plurality of dot areas is different from a density of dots included in another of the plurality of dot areas in the first area, a density of dots included in one of the plurality of dot areas is different from a density of dots included in another of the plurality of dot areas in the second area, the first and second areas comprise first dot areas, the first dot areas are positioned at the same distance between a first distance and a second distance from a line, the line being an imaginary line connecting the outermost holes along at least one of the long side and the short side of the reflecting sheet, and a density of dots included in the first dot area of the first area is different from a density of dots included in the first dot area of the second area.

Abstract translation: 一种背光单元，包括框架，该框架包括从底部延伸的底部和侧壁; 位于所述框架上的至少一个基板和安装在所述至少一个基板上的多个光源; 以及位于所述至少一个基板上的反射片。 反射片包括位于底部的第一片部分，第一片部分包括对应于多个光源的多个孔; 以及从第一片部延伸的第二片部，第二片部包括沿着反射片的长边设置的水平点区域和沿着反射片的短边设置的垂直点区域，以及至少一个 水平点区域和垂直点区域包括第一区域和第二区域。 此外，第一区域对应于多个孔中的最外面的孔，第二区域位于第一区域之间，第一区域和第二区域包括多个点区域，每个点区域包括多个 点包括在多个点区域之一中的点的浓度不同于在第一区域中的多个点区域中的另一个点中包括的点的浓度，多个点区域之一中包括的点的浓度为 与第二区域中的多个点区域中的另一个中包含的点的密度不同，第一和第二区域包括第一点区域，第一点区域位于距离第一点区域的第一距离和第二距离之间相同的距离处 线，该线是沿着反射片的长边和短边中的至少一个连接最外面的孔的假想线，并且包含在第一区域的第一点区域中的点的密度为diff 从包括在第二区域的第一点区域中的点的密度引起。

公开(公告)号：US20200264477A1

公开(公告)日：2020-08-20

申请号：US16869921

申请日：2020-05-08

Applicant: LG ELECTRONICS INC.

Inventor： Sewon OH ,  Eunseok KIM

IPC: G02F1/13357 ,  F21V7/04

Abstract: A display device includes a display panel; a frame at a rear of the display panel; a light source between the display panel and the frame, the light source providing light for the display panel; and a reflecting sheet between the display panel and the frame, the reflecting sheet having a rectangular shape with a first long side, a second long side opposite the first long side, a first short side adjacent to the first long side and the second long side, and a second short side opposite the first short side. Further, the reflecting sheet includes a first sheet part forming a central area of the reflecting sheet, the first sheet part including a first non-dot area; a second sheet part forming a side area of the reflecting sheet around the first sheet part, the second sheet part including dot areas; and a third sheet part forming an outermost area of the reflecting sheet around the second sheet part, the third sheet part including a second non-dot area. In addition, the dot areas in the second sheet part includes a horizontal dot area along the first long side, and a vertical dot area along the first short side.

公开(公告)号：US20190163017A1

公开(公告)日：2019-05-30

申请号：US16245692

申请日：2019-01-11

Applicant: LG ELECTRONICS INC.

Inventor： Sewon OH ,  Eunseok KIM

IPC: G02F1/1335 ,  F21V7/04

CPC classification number: G02F1/133603 ,  F21V7/04 ,  G02F1/133605 ,  G02F1/133606 ,  G02F1/133608 ,  G02F1/133611

Abstract: A display device includes a display panel; a light source; a frame at a rear of the display panel; and a reflecting sheet between the display panel and the frame, the reflecting sheet having a rectangular shape with a first long side, a second long side opposite the first long side, a first short side adjacent to the first long side and the second long side, and a second short side opposite the first short side. Further, the reflecting sheet includes a first horizontal area along the first long side, and a first vertical area along the first short side. In addition, at least one of the first horizontal area and the first vertical area includes a first area including a plurality of first dots, a second area including a plurality of second dots and a third area including a plurality of third dots.

公开(公告)号：US20170219881A1

公开(公告)日：2017-08-03

申请号：US15416089

申请日：2017-01-26

Applicant: LG ELECTRONICS INC.

Inventor： Jongyoung SHIN ,  Uihyung LEE ,  Eunseok KIM ,  Juyoung JOUNG

IPC: G02F1/1335

CPC classification number: G02F1/133605 ,  G02F1/133603 ,  G02F1/133608 ,  G02F1/133611

Abstract: A backlight unit and a display device including the backlight unit are disclosed. The backlight unit includes a frame including a bottom area and a side area extended from the bottom area, at least one substrate positioned at a front surface of the frame and mounting a plurality of light sources, a reflective sheet positioned at a front surface of the at least one substrate and including a strip area in at least a portion of the reflective sheet, and an optical sheet positioned at a front surface of the reflective sheet. A reflectance of the at least the portion of the reflective sheet is different from a reflectance of at least another portion of the reflective sheet.

公开(公告)号：US20170212385A1

公开(公告)日：2017-07-27

申请号：US15407611

申请日：2017-01-17

Applicant: LG ELECTRONICS INC.

Inventor： Jeonggyu KIM ,  Jongho HAN ,  Eunseok KIM ,  Uihyung LEE ,  Juyoung JOUNG ,  Jinsin PARK

IPC: G02F1/1335

CPC classification number: G02F1/133608 ,  G02F1/133603 ,  G02F1/133605 ,  G02F1/133606 ,  G02F1/133611 ,  G02F2001/133607 ,  G02F2201/465

Abstract: A backlight unit including a frame having a bottom area and a sidewall area extended from the bottom area; a single substrate located in on the bottom area of the frame, a plurality of optical assemblies being mounted on the single substrate; a reflection sheet located the frame and configured to reflect light emitted by the optical assemblies; and an optical sheet located over the reflection sheet. Further, the reflection sheet a first sheet area corresponding to the bottom area of the frame; a second sheet area corresponding to the sidewall area of the frame; and a cut portion cut from the first sheet at one portion abutting on one side of the single substrate.

公开(公告)号：US20240280242A1

公开(公告)日：2024-08-22

申请号：US18650953

申请日：2024-04-30

Applicant: LG ELECTRONICS INC.

Inventor： Sewon OH ,  Eunseok KIM

IPC: F21V7/00 ,  F21Y105/10 ,  F21Y115/10 ,  G02F1/1335 ,  G02F1/13357

CPC classification number: F21V7/0066 ,  G02F1/133603 ,  G02F1/133605 ,  G02F1/133607 ,  G02F1/133611 ,  F21Y2105/10 ,  F21Y2115/10 ,  G02F1/133606

Abstract: A display device including a display panel, a frame at a rear of the display panel, a light source on a substrate between the display panel and the frame, the light source providing light for the display panel, and a reflecting sheet between the display panel and the frame, the reflecting sheet having a rectangular shape with a first long side, a second long side opposite the first long side, a first short side adjacent to the first long side and the second long side, and a second short side opposite the first short side, wherein the reflecting sheet includes a first sheet part forming a central area of the reflecting sheet, a second sheet part forming a side area of the reflecting sheet around the first sheet part, the second sheet part including dot areas, and a hole next to a border line between the first sheet part and the second sheet part, wherein at least one of the dot areas in the second sheet part is formed along the first short side or the second short side, wherein the at least one of the dot areas including a first dot area next to the hole in a parallel direction of the first long side or the second long side and a second dot area next to the first dot area in a parallel direction of the first short side or the second short side, and wherein a density of dots in the first dot area is different from a density of dots in the second dot area.

公开(公告)号：US20210026200A1

公开(公告)日：2021-01-28

申请号：US17066613

申请日：2020-10-09

Applicant: LG ELECTRONICS INC.

Inventor： Sewon OH ,  Eunseok KIM

IPC: G02F1/13357 ,  F21V7/04

Abstract: A display device includes a display panel; a frame at a rear of the display panel; a light source between the display panel and the frame, the light source providing light for the display panel; and a reflecting sheet between the display panel and the frame, the reflecting sheet having a rectangular shape with a first long side, a second long side opposite the first long side, a first short side adjacent to the first long side and the second long side, and a second short side opposite the first short side.

公开(公告)号：US20190324323A1

公开(公告)日：2019-10-24

申请号：US16502885

申请日：2019-07-03

Applicant: LG ELECTRONICS INC.

Inventor： Sewon OH ,  Eunseok KIM

IPC: G02F1/1335 ,  F21V7/04

Abstract: A display device includes a display panel; a light source; a frame at a rear of the display panel; and a reflecting sheet between the display panel and the frame, the reflecting sheet having a rectangular shape with a first long side, a second long side opposite the first long side, a first short side adjacent to the first long side and the second long side, and a second short side opposite the first short side. Further, the reflecting sheet includes a first horizontal area along the first long side, and a first vertical area along the first short side. In addition, at least one of the first horizontal area and the first vertical area includes a first area including a plurality of first dots, a second area including a plurality of second dots and a third area including a plurality of third dots.

公开(公告)号：US20190145604A1

公开(公告)日：2019-05-16

申请号：US16244751

申请日：2019-01-10

Applicant: LG ELECTRONICS INC.

Inventor： Sewon OH ,  Eunseok KIM

IPC: F21V7/00 ,  G02F1/1335

Abstract: A display device includes a display panel; a frame at a rear of the display panel, the frame including a bottom and a sidewall extending from the bottom; a substrate on the frame; a light source mounted on the substrate; a reflective lens mounted on the light source, wherein the lens includes an upper surface having a concave portion, a lower surface, and a side surface, and the upper surface of the reflective lens reflecting at least a first part of light emitted from the light source toward the sidewall of the frame through the side surface of the reflective lens; and a plurality of dots between the substrate and the reflective lens and configured to absorb at least a second part of light from the light source. Further, the plurality of dots are arranged around the light source and in an area within a boundary of the lower surface of the reflective lens.

公开(公告)号：US20180341150A1

公开(公告)日：2018-11-29

申请号：US15984991

申请日：2018-05-21

Applicant: LG ELECTRONICS INC.

Inventor： Uihyung LEE ,  Sojung KIM ,  Eunseok KIM ,  Jeonggyu KIM ,  Juyoung JOUNG

IPC: G02F1/1335 ,  G02F1/1333

Abstract: A backlight unit and a display apparatus including the same are disclosed. The backlight unit includes a support member being concave rearward so as to define an interior space, the support member including a central portion defining a central area of a rear surface of the interior space and a side portion extending outward from a peripheral edge of the central portion while being inclined forward, a plurality of light sources disposed on the central portion so as to radiate light, a plurality of lenses respectively disposed on the plurality of light sources so as to disperse light from the light sources, a reflective sheet covering front surfaces of the central portion and the side portion, and a plurality of scattering members disposed on corner portions of the reflective sheet and protruding from the reflective sheet. The display apparatus includes the backlight unit and a display panel disposed in front of the backlight unit.